Your message dated Mon, 14 Jun 2010 17:47:06 +0000
with message-id <[email protected]>
and subject line Bug#555106: fixed in arista 0.9.5-1
has caused the Debian Bug report #555106,
regarding failure to read from webcam
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
555106: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=555106
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: arista
Version: 0.9.3-1

I'm trying to use a webcam to read a video. The webcam is supported with the 
video-4-linux interface, so that part should not be the problem, xawtv for 
example works.


Now, what I do is this:

  $ arista-transcode /dev/video0 ./video.out
  AttributeError: 'module' object has no attribute 'Element'
  Encoding video0 for computer (default)

From now on, the application just sits there, which isn't surprising, since 
the input stream doesn't have an end. The confusing part is the 
"AttributeError.." message, which may or may not be important. In any case, I 
try to interrupt the thing with control-C:

  ^C
  Interrupt caught. Cleaning up... (Ctrl-C to force exit)
  Traceback (most recent call last):
    File "/usr/bin/arista-transcode", line 121, in check_interrupted
      source = transcoder.pipe.get_by_name("source")
  AttributeError: 'NoneType' object has no attribute 'get_by_name'

Hmm, interesting, I guess it shouldn't do that. Note that this is in 
check_interrupted(), where it tries to access the message queue (pipe) of the 
transcoder, it seems. It then sits there until I interrupt it with another 
control-C.


What I tried also, after reading the source a bit, was to not use /dev/video0 
but the (*otherwise undocumented!*) v4l:///dev/video0 syntax:

  $ arista-transcode v4l:///dev/video0 ./video.out
  AttributeError: 'module' object has no attribute 'Element'
  Encoding video0 for computer (default)
  No audio or video streams found in input!

I'm dropped back at the shell, with at least an error message. Problem there 
is that I can also change the input specifier to "v4l://can/kiss/my/butt", the 
error message remains the same, i.e. completely useless IMHO.


Okay, V4L version 1 is obsolete anyway, so let's try version 2:

  $ arista-transcode v4l2:///dev/video0 ./video.out
  AttributeError: 'module' object has no attribute 'Element'
  Encoding video0 for computer (default)
  Starting pass 1 of 1
  libv4l2: error reading: No such device

It then sits there, so I interrupt it with control-C again. Only this time, it 
doesn't care, it keeps sitting there no matter what. I can kill the process 
from a different shell or by putting it in the background though. A difference 
to the first attempt is that it has managed to create the output file, 
although it is empty. A difference to the second attempt is that it matters 
which input device I select.


Further notes:
 * All above attempts were made using the root account, so permissions 
shouldn't be the problem, unless you are trying to access an X session or 
something like that.
 * If I try the v4l2:// URL from a different user account, I get the rather 
meaningless "No audio or video streams found in input!" error message, just 
like the v4l:// URL.
 * If I try the v4l2:// URL from the user running X, it gets to "Starting pass 
1 of 1" and then sits there until I control-C out of it.

Cheers!

Uli




--- End Message ---
--- Begin Message ---
Source: arista
Source-Version: 0.9.5-1

We believe that the bug you reported is fixed in the latest version of
arista, which is due to be installed in the Debian FTP archive:

arista_0.9.5-1.debian.tar.gz
  to main/a/arista/arista_0.9.5-1.debian.tar.gz
arista_0.9.5-1.dsc
  to main/a/arista/arista_0.9.5-1.dsc
arista_0.9.5-1_all.deb
  to main/a/arista/arista_0.9.5-1_all.deb
arista_0.9.5.orig.tar.gz
  to main/a/arista/arista_0.9.5.orig.tar.gz
nautilus-arista_0.9.5-1_all.deb
  to main/a/arista/nautilus-arista_0.9.5-1_all.deb



A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Alessio Treglia <[email protected]> (supplier of updated arista package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Format: 1.8
Date: Sun, 13 Jun 2010 16:55:38 +0200
Source: arista
Binary: arista nautilus-arista
Architecture: source all
Version: 0.9.5-1
Distribution: unstable
Urgency: low
Maintainer: Alessio Treglia <[email protected]>
Changed-By: Alessio Treglia <[email protected]>
Description: 
 arista     - multimedia transcoder for the GNOME Desktop
 nautilus-arista - Arista Transcoder Nautilus extension
Closes: 555106
Changes: 
 arista (0.9.5-1) unstable; urgency=low
 .
   * New upstream release:
     - Fix webcam and DVD issues (Closes: #555106).
     - Add Nautilus extension for right-click file conversion.
   * Split arista and nautilus-arista packages:
     - arista provides conversion tools and Python modules, which are public
       now.
     - nautilus-arista installs the extension of Nautilus and recommend users
       to restart the Nautilus file manager to apply changes.
   * debian/patches/01-bytecompile_nautilus_extension.patch:
     - Byte-compile arista-nautilus.py before installing it.
   * debian/patches/02-shebangs.patch:
     - Fix scripts' shebang lines.
   * Update descriptions.
   * Merge Ubuntu changelog entries.
   * Drop patches applied upstream.
Checksums-Sha1: 
 24b7549ba87091a92f00671493cfe637da921c98 1228 arista_0.9.5-1.dsc
 a915d84c62e6e7526f4b65161ebd8be348d9dc15 296929 arista_0.9.5.orig.tar.gz
 0206f854a8b1d3af5a2ca047dcfe7c2042d23613 10754 arista_0.9.5-1.debian.tar.gz
 dbf1f4e2823753e9291942322830415e2cfb3505 301614 arista_0.9.5-1_all.deb
 ad2ae8dc51caf4b4be67b0257ad21b0f38535c33 6902 nautilus-arista_0.9.5-1_all.deb
Checksums-Sha256: 
 b305f8886954e0425a5670f0203d1850448b66c19f68310afca0ae127a226207 1228 
arista_0.9.5-1.dsc
 5f10404f060471a76176c18aedd1468e9051a1285c0eb2794bea2acdf23755d8 296929 
arista_0.9.5.orig.tar.gz
 99a3593f18251a69d8637c352347c2c732441ad19c636adbcc66349c0c684b90 10754 
arista_0.9.5-1.debian.tar.gz
 0076dc7e0d8564fc6db42f3d013164baacd7929c96aa7792c329039c7d4e7b58 301614 
arista_0.9.5-1_all.deb
 3780cf7be0d44fef6bb9f1e44f1c42ddda149dae87ba3f97dfd882aefe0418f5 6902 
nautilus-arista_0.9.5-1_all.deb
Files: 
 a501c54a07fbf0a6051011e027aa3711 1228 video optional arista_0.9.5-1.dsc
 278ad30b20a9fa622bb0859a6b1ae423 296929 video optional arista_0.9.5.orig.tar.gz
 a57718cb92a59485abb4870876a86c74 10754 video optional 
arista_0.9.5-1.debian.tar.gz
 5405e871d617853c8be602e8b273dd07 301614 video optional arista_0.9.5-1_all.deb
 999c2403cb4da5671e3ccdf49067bc85 6902 video optional 
nautilus-arista_0.9.5-1_all.deb

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--- End Message ---

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